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Finding the Fourth Proportional to 331,866.40, 497,734.80 and 110,250.40

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Solution

The fourth proportional to 331,866.40, 497,734.80 and 110,250.40 is: 165,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,866.40 : 497,734.80 = 110,250.40 : x
  2. Step 2: Convert to fraction form
    331,866.40/497,734.80 = 110,250.40/x
  3. Step 3: Cross multiply
    331,866.40x = 497,734.80 × 110,250.40
  4. Step 4: Simplify right side
    331,866.40x = 54,875,460,793.92
  5. Step 5: Solve for x
    x = 54,875,460,793.92/331,866.40
  6. Step 6: Final answer
    x = 165,354.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.